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Additions & New Builds

Find a Trusted Home Addition & New Build Contractor

Home additions, extensions, and ground-up construction with trusted crews — matched to your project in 48 hours. Free, with zero obligation.

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Newly built home addition with modern exterior

What We Cover

From a single room to a full ground-up build, we match you with a crew that does that work every day.

Room additions

Bedrooms, family rooms, home offices.

Second-story additions

Full or partial upper-level builds.

In-law suites & ADUs

Accessory dwelling units for extended family or rental income.

Sunrooms & bump-outs

Smaller-scale expansions.

New home builds

Full ground-up construction.

Garage conversions & additions

Convert or add usable square footage.

How Much Does a Home Addition Cost?

Addition costs vary widely by size, structure, and finishes. Here's a general guide to help you budget.

Small bump-out or sunroom

Smaller-scale expansion

$4,000–$25,000

Standard single-story room addition

New room with foundation and roofing

$80,000–$130,000

Second-story addition

Full or partial upper-level build

$150,000–$250,000+

Figures are general national estimates for planning purposes only and will vary by home, materials, and region. Your Renoowl advisor and matched contractor will provide project-specific pricing.

How It Works

How Renoowl Matches You With a Contractor

1

Tell us about your project

Share your goals, budget, and timeline in a quick form and free call.

2

We match you to the best fit

A vetted, performance-ranked specialist for additions and new builds.

3

Meet your contractor

We schedule the intro call. No obligation.

4

Rate your contractor

When the project wraps up, rate your contractor. Your feedback keeps our network sharp — and keeps us in touch.

Why Renoowl

Why homeowners trust Renoowl

Licensed & insured

We verify licensing, insurance, and legal standing before anyone joins our network.

Background & reference checks

Every contractor passes identity, business, and reference screening.

Ranked by real results

Pros are scored and ranked on the quality and outcomes of their past jobs.

Continuously reviewed

Ratings update with every completed project, so only top performers stay top-ranked.

Addition & New Build FAQs

Nationally, additions range from roughly $4,000 for a small bump-out to $250,000+ for a full second-story addition, with most single-story room additions landing between $80,000 and $130,000. Your matched contractor will provide a project-specific quote.

A small addition can take 6–10 weeks; a second-story addition or full new build can take several months to a year, depending on permitting and complexity.

Almost always, yes — additions typically require permits and often architectural or engineering plans. Your matched contractor can help coordinate this or work with your architect.

Yes, to some degree — expect noise, dust, and limited access to parts of your home during construction. Your contractor will walk you through the project timeline and what to expect.

Ready to Start Your Addition or New Build?

Matching is completely free, there's no obligation to hire, and every contractor in our network is licensed, insured, and background-checked. Talk to a Renoowl advisor and get matched within 48 hours.

Book My Free Consultation